These grids are used are based on a more significant set of cells: each grid contains a first row for general purpose buttons and a textwriter, while the 3 other rows contains 21 cells. This set contains a vocalubulary of several hundreds of words (maximum of 21 x 21 =...

Note that above I have deliberately formatted the shortcode with one attribute per line and used spacing so that it is easier for us to see each setting and make tweaks if we want to. You don’t have to do this, you can put it all on one line if...